EASY
AS and A Level
IMPORTANT
Earn 100
In a small group, discuss in detail why chlorine is more reactive than bromine.
Important Questions on Group 17
MEDIUM
AS and A Level
IMPORTANT
Chlorine water is mixed with a solution of potassium iodide in a test tube, of cyclohexane is added to the test tube, which is stoppered and shaken, then allowed to stand.
a. Write a balanced symbol equation, including state symbols, for the reaction that occurs.
b. Write an ionic equation for this reaction.
c. What color is the cyclohexane layer at the end of the experiment?
EASY
AS and A Level
IMPORTANT
Astatine () lies below iodine at the bottom of Group . Discuss and predict the equation for its reaction with hydrogen.
EASY
AS and A Level
IMPORTANT
Astatine () lies below iodine at the bottom of Group . Discuss and predict the vigour of its reaction with hydrogen.
EASY
AS and A Level
IMPORTANT
Astatine () lies below iodine at the bottom of Group . Discuss and predict the thermal stability of its hydride.
EASY
AS and A Level
IMPORTANT
Explain why chlorine is a more powerful oxidising agent than bromine.
MEDIUM
AS and A Level
IMPORTANT
You suspect that a solid compound might be potassium bromide. Describe how you would test your idea. Then describe the positive results you would get if you were correct.
MEDIUM
AS and A Level
IMPORTANT
Working with a partner, discuss what you would see in a test tube in which concentrated sulfuric acid is added drop-wise to solid potassium iodide that you would not see if the acid was added to potassium chloride.
MEDIUM
AS and A Level
IMPORTANT
Write equations, including state symbols to describe the reactions taking place in the test tube between concentrated sulfuric acid and potassium iodide.
